Finding the Fourth Proportional to 1,363.04, 1,880.22 and 838.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.04 : 1,880.22 = 838.96 : x
2. Step 2: Convert to fraction form
   1,363.04/1,880.22 = 838.96/x
3. Step 3: Cross multiply
   1,363.04x = 1,880.22 × 838.96
4. Step 4: Simplify right side
   1,363.04x = 1,577,429.37
5. Step 5: Solve for x
   x = 1,577,429.37/1,363.04
6. Step 6: Final answer
   x = 1,157.29